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Finding the Third Proportional to 7,200,527 and 10,128,445

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Solution

The third proportional to 7,200,527 and 10,128,445 is: 14,246,929.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,200,527 : 10,128,445 = 10,128,445 : x
  2. Step 2: Convert to fraction form
    7,200,527/10,128,445 = 10,128,445/x
  3. Step 3: Cross multiply
    7,200,527x = 10,128,445 × 10,128,445
  4. Step 4: Simplify right side
    7,200,527x = 102,585,398,118,025
  5. Step 5: Solve for x
    x = 102,585,398,118,025/7,200,527
  6. Step 6: Final answer
    x = 14,246,929.16

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.